Trading of HSF shares were suspended Monday and will be removed from the London Stock Exchange on Tuesday.
The company's founder calls it the "right time" to "undertake a strategic shift of focus."
Concord said on Thursday it would not raise its bid to beat Blackstone's $1.6 billion offer for the publicly listed music royalty fund.
HSF shares have recently been trading above the latest offer prices, suggesting some investors expect the bidding to continue.
The investment advisor for the troubled fund says it has "repeatedly been blamed" for issues that were not its responsibility.
Shot Tower Capital says inadequate financial analysis and management from the investment adviser led to inaccurate information at multiple levels.
Mercuriadis will transition to chairman, with Ben Katovsky rising to chief executive as the advisor eyes smoother relations with its publicly listed royalty fund.
The owner of rights to songs by Neil Young, Shakira, Journey and more will hold an extraordinary general meeting to address shareholders' concerns.
